diff --git a/app.py b/app.py
index b6da20a..66984bf 100644
--- a/app.py
+++ b/app.py
@@ -1,42 +1,37 @@
-import os, sys
+import os
+import sys
+import asyncio
+import threading
 
 from sqlalchemy import create_engine
 from instagrapi import Client
 # from dotenv import load_dotenv
 
-from utils import shareclass
 from ig import IG
-from db import pgclass
-from grpc import grpcServer
+from db import dbhelper
+from db.pgclass import Base
+from grpcServer import grpcServer, anoth
 from utils.const import DEBUG
 
 # load_dotenv()
 
+if DEBUG:
+    print("[*] ===== DEBUG MODE =====")
+
 # Database
 PG_HOST = os.environ.get("PG_HOST", None).strip()
-PG_PORT = os.environ.get("PG_PORT", None).strip()
-PG_NAME = os.environ.get("PG_NAME", None).strip()
-PG_USER = os.environ.get("PG_USER", None).strip()
-PG_PASS = os.environ.get("PG_PASS", None).strip()
-engine = create_engine('postgresql+psycopg2://%s:%s@%s:%s/%s'%(PG_USER, PG_PASS, PG_HOST, PG_PORT, PG_NAME))
-pgclass.Base.metadata.create_all(engine)
-print("[V] Database Connected")
+print("[*] Connecting to Database")
+dbhelper.db = dbhelper.DB(create_engine(PG_HOST))
+Base.metadata.create_all(dbhelper.db._engine)
 
 # IG Login
-cl = Client()
-shareclass.Shared(cl, engine) # Shared Class
+IG.init(Client())
 if not DEBUG and not IG.login():
     sys.exit(0)
 
-# grpc server should have...
-# - Get account info (a kind of checkalive)
-# - Get media info (a kind of checkalive)
-# - Upload media (預設客戶端給我id)
-# - Delete media
-# - Login
-
-# IG統一保存code
-
 # run grpc
 if __name__ == "__main__":
-    grpcServer.serve()
+    # upload / delete processor
+    threading.Thread(target=anoth.run).start()
+    # grpc main
+    asyncio.get_event_loop().run_until_complete(grpcServer.serve())
diff --git a/db/DBHelper.py b/db/DBHelper.py
deleted file mode 100644
index d466a8f..0000000
--- a/db/DBHelper.py
+++ /dev/null
@@ -1,61 +0,0 @@
-from typing import Tuple, Dict
-
-from db import pgclass
-from utils import shareclass
-
-# 獲取單一文章
-def solo_article_fetcher(key:int) -> Dict | None:
-    table = pgclass.SQLarticle
-    ftab  = pgclass.SQLfile
-    resfn = {}
-
-    with shareclass.Shared.db_get_session() as session:
-        # query
-        res = session.query(table).filter(table.id == key, table.mark == "visible").first()
-        if res is None: return None
-
-        # mapping
-        resfn.update({"id": res.id, 
-                      "ctx": res.ctx, 
-                      "igid": res.igid, 
-                      "mark": res.mark, 
-                      "reference": res.reference, 
-                      "hash": res.hash,
-                      "created_at": res.created_at,
-                      "ip": res.ip
-                    })
-    
-        # file
-        resfn["files"] = [ f[0] for f in session.query(ftab.id).filter(ftab.reference == res.hash).all() ]
-
-    return resfn
-
-# 獲取檔案
-def solo_file_fetcher(id:int) -> Dict | None:
-    table = pgclass.SQLarticle
-    ftab  = pgclass.SQLfile
-
-    with shareclass.Shared.db_get_session() as session:
-        fres = session.query(ftab).filter(ftab.id == id).first()
-        if fres is None: # 檢查檔案是否存在
-            return None
-        
-        article = session.query(table).filter(table.hash == fres.reference, table.mark == 'visible').first()
-        if article is None: # 檢查文章本體是否存在/可以閱覽
-            return None
-
-        # mapping
-        resfn = {
-            "type": fres.type,
-            "binary": fres.binary
-        }
-    
-    return resfn
-
-# 寫入IG狀態
-def solo_article_updater(id:int, code:str):
-    table = pgclass.SQLarticle
-    with shareclass.Shared.db_get_session() as session:
-        res = session.query(table).filter(table.id == id).first()
-        res.igid = code
-        session.commit()
\ No newline at end of file
diff --git a/db/dbhelper.py b/db/dbhelper.py
new file mode 100644
index 0000000..841c5a3
--- /dev/null
+++ b/db/dbhelper.py
@@ -0,0 +1,152 @@
+from typing import Tuple, Dict
+
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import Engine, text, update
+
+from s3 import s3helper
+from db import pgclass
+
+class DB:
+    _engine = None
+
+    @classmethod
+    def __init__(cls, engine):
+        cls._engine:Engine = engine
+
+    @classmethod
+    def getsession(cls):
+        Session = sessionmaker(bind=cls._engine)
+        return Session()
+
+db:DB = None
+
+
+# role (general) (owner) (admin)
+# 獲取單一文章
+def solo_article_fetcher(role:str, key:int, hash:str=None) -> Tuple[Dict, int]: # admin, owner, general
+    with db.getsession() as session:
+        # article fetch
+        stmt="SELECT posts.id, posts.content, posts.file_list, meta.igid, posts.hash, meta.ip, pmark.mark " \
+            +"FROM posts " \
+            +"INNER JOIN mark AS pmark ON posts.hash=pmark.hash " \
+            +"INNER JOIN article_meta AS meta ON posts.hash=meta.hash "
+        if role == "owner": # 驗證id/hash，可以看到本體(無驗證)
+            stmt += "WHERE posts.id = :id AND posts.hash = :hash"
+        elif role == "admin": # 驗證id，可以看到本體(無驗證)
+            stmt += "WHERE posts.id = :id"
+        elif role == "general": # 驗證id，可以看到本體(visible)
+            stmt += "WHERE posts.id=:id AND pmark.mark='visible'"
+        result = session.execute(text(stmt), {"id":key, "hash":hash})
+        res = result.first()
+        if res is None: 
+            return {}, 404
+        
+        # comment fetch
+        stmt="SELECT c.sha1 " \
+            +"FROM posts " \
+            +"INNER JOIN unnest(posts.comment_list) AS c ON c=ANY(posts.comment_list) " \
+            +"INNER JOIN mark AS cmark ON c.hash=cmark.hash " \
+            +"WHERE posts.id=:id"
+        if role == "general": # 留言sha1(visible)
+            stmt+=" AND cmark.mark='visible'"
+        result = session.execute(text(stmt), {"id":res[0]})
+        cres = result.all()
+
+        # mapping
+        one = {
+            "id": res[0],
+            "content": res[1],
+            "igid": res[3],
+        }
+        if res[2]: # files
+            one["files_hash"] = res[2]
+        if res[4]: # comments
+            one["comments_hash"] = [ c[0] for c in cres ]
+        
+        if role == "admin": 
+            one["ip"] = res[5]
+            one["mark"] = res[6]
+            one["hash"] = res[4]
+        
+    return one, 200
+
+
+# role (general) (owner) (admin)
+# 獲取單一留言 - 可能不會用到
+def solo_comment_fetcher(role:str, key:str, hash:str=None) -> Tuple[Dict, int]: # admin, owner, general
+    with db.getsession() as session:
+        # query
+        stmt="SELECT posts.id AS parent_id, posts.hash AS parent_hash, pmark.mark AS parent_mark, cmark.mark AS comment_mark, c.* " \
+            +"FROM posts " \
+            +"INNER JOIN unnest(posts.comment_list) AS c ON c=ANY(posts.comment_list) " \
+            +"JOIN mark AS pmark ON posts.hash=pmark.hash " \
+            +"JOIN mark AS cmark ON c.hash=cmark.hash " \
+            +"WHERE c.sha1=:sha1 "
+        if role == "general":
+            # 對一般用戶，sha1查詢，確保本體跟留言可見
+            stmt += "AND pmark.mark='visible' AND cmark.mark='visible'"
+            arta = session.execute(text(stmt), {'sha1':key}).first()
+        elif role == "owner":
+            # 對發文者，sha1查詢，sha256查詢，不設檢查
+            stmt += "AND c.hash=:hash"
+            arta = session.execute(text(stmt), {'sha1':key, 'hash':hash}).first()
+        elif role == "admin":
+            # 對管理員，sha1查詢，不設檢查
+            arta = session.execute(text(stmt), {'sha1':key}).first()
+        if arta is None:
+            return {}, 404
+
+        # mapping
+        one = {
+            "content": arta[4],
+            "sha1": arta[8]
+        }
+        
+        if role == "admin": 
+            one["ip"] = arta[5]
+            one["mark"] = arta[3]
+            one["hash"] = arta[6]
+        
+    return one, 200
+
+
+# 獲取檔案 - for IG
+def solo_file_fetcher(role:str, fnhash:str) -> Tuple[dict, int]: # general, admin
+    with db.getsession() as session:
+        arta="SELECT posts.id FROM posts " \
+            +"INNER JOIN mark ON posts.hash=mark.hash " \
+            +"WHERE :fnhash=ANY (posts.file_list) "
+        if role == "general":
+            arta += "AND mark.mark = 'visible'"
+        arta = session.execute(text(arta), {'fnhash':fnhash}).first()
+        if arta is None: # 檢查文章本體是否存在/可以閱覽
+            return {}, 404
+    
+    # fetch file
+    f, err = s3helper.solo_file_fetcher(fnhash)
+    if err:
+        return {}, 404
+    return f, 200
+
+
+# 填入 igid
+def solo_article_set_igid(id:int, igid:str) -> int:
+    # get hash
+    article, code = solo_article_fetcher(role="admin", key=id)
+    if code != 200:
+        return 1
+    hash = article["hash"]
+    # print(hash)
+    
+    # edit igid
+    err = 0
+    article_meta = pgclass.SQLmeta
+    with db.getsession() as session:
+        try:
+            stmt = update(article_meta).where(article_meta.hash==hash).values(igid=igid)
+            session.execute(stmt)
+        except Exception as e:
+            print(e)
+            err = 1
+        session.commit()
+    return err
diff --git a/db/pgclass.py b/db/pgclass.py
index 59f5883..740a113 100644
--- a/db/pgclass.py
+++ b/db/pgclass.py
@@ -1,23 +1,54 @@
-from sqlalchemy import Column, String, TIMESTAMP, func, BIGINT, LargeBinary, ARRAY
+from sqlalchemy import Column, String, TIMESTAMP, func, BIGINT, ARRAY
 from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy_utils.types.pg_composite import CompositeType
+from sqlalchemy.ext.mutable import MutableList
 
 Base = declarative_base()
 
+CompositeType.cache_ok = False
+
+comment_type = CompositeType(
+    'comment',
+    [
+        Column('content', String),
+        Column('ip', String),
+        Column('hash', String),
+        Column('created_at', TIMESTAMP),
+        Column("sha1", String)
+    ]
+)
+
+
+# post
 class SQLarticle(Base):
     __tablename__ = 'posts'
     
     id = Column(BIGINT, primary_key=True)
-    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
+    content = Column(String)
+    file_list = Column(ARRAY(String))
     hash = Column(String)
-    ctx = Column(String)
+    comment_list = Column(MutableList.as_mutable(ARRAY(comment_type)))
+
+
+# post metadata
+class SQLmeta(Base):
+    __tablename__ = 'article_meta'
+    
+    hash = Column(String, primary_key=True)
+    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
     igid = Column(String)
-    mark = Column(String)
     ip = Column(String)
-    reference = Column(BIGINT)
 
-    def __repr__(self):
-        return f"<article(id={self.id}, hash={self.hash}, ctx={self.ctx}, igid={self.igid}, mark={self.mark}, created_at={self.created_at}, ip={self.ip}, reference={self.reference})>"
 
+# post mark
+class SQLmark(Base):
+    __tablename__ = 'mark'
+    
+    hash = Column(String, primary_key=True)
+    mark = Column(String)
+
+
+# logs
 class SQLlog(Base):
     __tablename__ = 'logs'
     
@@ -26,21 +57,8 @@ class SQLlog(Base):
     message = Column(String)
     source = Column(String)
 
-    def __repr__(self):
-        return f"<log(id={self.id}, created_at={self.created_at}, message={self.message}, source={self.source})>"
-    
-class SQLfile(Base):
-    __tablename__ = 'files'
-    
-    id = Column(BIGINT, primary_key=True)
-    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
-    type = Column(String)
-    reference = Column(String)
-    binary = Column(LargeBinary)
-
-    def __repr__(self):
-        return f"<file(id={self.id}, created_at={self.created_at}, type={self.type}, binary={self.binary}, reference={self.reference})>"
 
+# user
 class SQLuser(Base):
     __tablename__ = 'users'
     
@@ -48,6 +66,3 @@ class SQLuser(Base):
     user = Column(String)
     password = Column(String)   # hash , sha512
     permission = Column(ARRAY(String))
-
-    def __repr__(self):
-        return f"<user(id={self.id}, user={self.user}, password={self.password}, permission={self.permission})>"
\ No newline at end of file
diff --git a/grpc/grpcServer.py b/grpc/grpcServer.py
deleted file mode 100644
index 74323b3..0000000
--- a/grpc/grpcServer.py
+++ /dev/null
@@ -1,29 +0,0 @@
-from grpc.postProcessor import upload, remove
-
-
-def serve():
-    pass
-
-""" # for testing
-def _serve():
-    print(IG.account_info())
-    
-    pass
-    
-    return
-    aid = 57
-    
-    msg, err = upload(aid)
-    if err:
-        print(msg)
-        return
-    
-    input("Press any key...")
-    
-    DBHelper.solo_article_updater(id=aid, code=msg)
-    
-    msg, err = remove(aid)
-    if err:
-        print(msg)
-        return
-"""
\ No newline at end of file
diff --git a/grpc/postProcessor.py b/grpc/postProcessor.py
deleted file mode 100644
index e7fa168..0000000
--- a/grpc/postProcessor.py
+++ /dev/null
@@ -1,62 +0,0 @@
-from typing import Tuple
-import os
-
-from ig import ctxPictuterProma, IG
-from db import DBHelper
-from utils import fileProcessor
-from utils.const import DEBUG
-
-# returns (errmsg | code, errcode)
-def upload(aid:int) -> Tuple[str, int]:
-    # 抓取文章本體
-    article = DBHelper.solo_article_fetcher(key = aid)
-    if article is None:
-        return "Post not found", 1
-    
-    # 抓取檔案
-    files = [
-        DBHelper.solo_file_fetcher(id = k) 
-        for k in article["files"]
-    ]
-    if None in files: 
-        return "File not found", 1
-
-    # 轉出暫存檔案
-    tmp_path:list = []
-    for t in files: 
-        filename, err = fileProcessor.file_saver(t.get("type"), t.get("binary"))
-        if err: # 如果錯誤
-            return filename, 1
-        tmp_path.append(filename)
-        
-    # 合成文字圖
-    proma_file = ctxPictuterProma.new_proma(article["ctx"])
-    tmp_path = [proma_file] + tmp_path
-
-    # 送交 IG 上傳
-    if not DEBUG:
-        media = IG.upload_media(article["ctx"], tmp_path)
-        if media is None:
-            return "Upload failed", 1
-    else:
-        media = {"code":"fake_data"}
-        
-    # 刪除檔案
-    for t in tmp_path:
-        os.remove(t)
-    
-    return media["code"], 0
-
-
-# return (errmsg, code)
-def remove(aid:int) -> Tuple[str, int]:
-    # 抓取文章本體
-    article = DBHelper.solo_article_fetcher(key = aid)
-    if article is None:
-        return "Post not found", 1
-    
-    err = IG.delete_media(article["igid"])
-    if err:
-        return "Remove failed", 1
-    
-    return "OK", 0
\ No newline at end of file
diff --git a/grpc/protobuf/note.txt b/grpc/protobuf/note.txt
deleted file mode 100644
index 1a0366a..0000000
--- a/grpc/protobuf/note.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-Response:
-    code: int
-    message: str
\ No newline at end of file
diff --git a/grpcServer/anoth.py b/grpcServer/anoth.py
new file mode 100644
index 0000000..d9087cf
--- /dev/null
+++ b/grpcServer/anoth.py
@@ -0,0 +1,47 @@
+import time
+import random
+
+from grpcServer import postProcessor
+from utils.ThreadSafeOrderedDict import ThreadSafeOrderedDict
+from utils.const import ANOTH_INTERVAL_MIN, ANOTH_INTERVAL_MAX
+from db import dbhelper
+
+task = ThreadSafeOrderedDict()
+
+def task_round():
+    t = task.popitem(last=False)
+    if not t: # 沒任務
+        print("[*] No task in queue")
+        return
+    
+    aid = t[1]["aid"]
+    type = t[0].split("-")[0]
+    print("[*] Task %s(target_aid=%d)"%(type, aid))
+    
+    if type == "upload": # upload
+        msg, err = postProcessor.upload(aid)
+    elif type == "delete":
+        code = t[1]["code"]
+        msg, err = postProcessor.remove(code)
+    else:
+        msg, err = "Invalid task type %s"%type, 1
+        
+    if err:
+        print("[X] Task failed: %s"%msg)
+    elif type == "upload":
+        dberr = dbhelper.solo_article_set_igid(id=aid, igid=msg)
+        if dberr:
+            print("[X] Task %s(target_aid=%d): Set igid failed"%(type, aid))
+        
+    print("[*] Task Done")
+    return
+
+
+def run():
+    print("[*] Upload/Delete Processor Started")
+    while True:
+        task_round()
+        
+        sleep = random.randint(ANOTH_INTERVAL_MIN, ANOTH_INTERVAL_MAX)
+        print("[*] Next Round After %ds"%sleep)
+        time.sleep(sleep)
diff --git a/grpcServer/grpcServer.py b/grpcServer/grpcServer.py
new file mode 100644
index 0000000..1f519ac
--- /dev/null
+++ b/grpcServer/grpcServer.py
@@ -0,0 +1,132 @@
+# from concurrent import futures
+
+import grpc
+from cachetools import cached, TTLCache
+
+from ig import IG
+from db import dbhelper
+from utils.const import GRPC_ACCINFO_CACHE, GRPC_RELOGIN_LIMIT
+from grpcServer import anoth
+from grpcServer.protobuf import igapi_pb2_grpc
+from grpcServer.protobuf.igapi_pb2 import Request, Reply
+
+# call account info  / login
+cache_accinfo = TTLCache(maxsize=1, ttl=GRPC_ACCINFO_CACHE)
+@cached(cache_accinfo)
+def call_IG_account_info():
+    result = IG.account_info()
+    return result
+
+cache_login = TTLCache(maxsize=1, ttl=GRPC_RELOGIN_LIMIT)
+@cached(cache_login)
+def call_IG_login():
+    result = IG.login()
+    return result
+
+
+# object
+# 考慮一下如果同時發起多的請求，asyncio可能會搞到被ban號(IG)
+class IGAPI_Server(igapi_pb2_grpc.IGAPIServicer):
+    async def account_info(self, request: Request, context) -> Reply:
+        print("[*] Request: account_info")
+        account = call_IG_account_info()
+        if account:
+            result = {
+                "username":account["username"],
+                "full_name":account["full_name"],
+                "email":account["email"]
+            }
+            return Reply(err=0, result=result)
+        else:
+            return Reply(err=1, result={"error":"IG.account_info returned None"})
+
+    
+    async def login(self, request: Request, context) -> Reply:
+        print("[*] Request: login")
+        if len(cache_login): # cache has not expired
+            print("[*] Login: Cooldown")
+            return Reply(err=1, result={"error":"Cooldown"})
+        else:
+            login = call_IG_login()
+            if login:
+                return Reply(err=0, result={"result":"Login Successed"})
+            else:
+                return Reply(err=1, result={"error":"Login Failed"})
+    
+    
+    async def upload(self, request: Request, context) -> Reply:
+        print("[*] Request: upload")
+        aid = request.code
+        
+        # 檢查 - 可見
+        article, code = dbhelper.solo_article_fetcher(role="general", key=aid) # visible -> post
+        if code != 200:
+            return Reply(err=1, result={"error":"Post not found"})
+        
+        # 檢查 - 已經在 Queue 內
+        if anoth.task["upload-"+str(aid)]:
+            return Reply(err=1, result={"error":"Request is already in queue"})
+        
+        # 檢查 - Queue 內有請求刪除同目標
+        if anoth.task["delete-"+str(aid)]:
+            anoth.task.pop("delete-"+str(aid))
+            return Reply(err=0, result={"result":"Canceled delete post request"})
+        
+        # 檢查 - 已經上傳過
+        if article["igid"]:
+            return Reply(err=1, result={"error":"Already Posted"})
+        
+        # put into queue
+        anoth.task["upload-"+str(aid)] = {"aid":aid}
+        
+        return Reply(err=0, result={"result":"Put into queue"})
+    
+    
+    async def delete(self, request: Request, context) -> Reply:
+        print("[*] Request: delete")
+        # article id
+        aid = request.code
+        # igid from args
+        if request.args:
+            igid = request.args[0]
+        else:
+            return Reply(err=1, result={"error":"Invalid Arguments"})
+        
+        # 檢查 - 已經在 Queue 內
+        if anoth.task["delete-"+str(aid)]:
+            return Reply(err=1, result={"error":"Request is already in queue"})
+        
+        # 檢查 - Queue 內有請求上傳同目標
+        if anoth.task["upload-"+str(aid)]:
+            anoth.task.pop("upload-"+str(aid))
+            return Reply(err=0, result={"result":"Canceled upload post request"})
+        
+        # put into queue
+        anoth.task["delete-"+str(aid)] = {"aid":aid, "code":igid}
+        
+        return Reply(err=0, result={"result":"Put into queue"})
+    
+    
+    async def queue(self, request:Request, context) -> Reply:
+        print("[*] Request: queue")
+        t = anoth.task.items()
+        reply = { _[0]:str(_[1]["aid"]) for _ in t }
+        return Reply(err=0, result=reply)
+    
+    
+    async def setting(self, request:Request, context) -> Reply:
+        # not done
+        print("[*] Request: setting")
+        return Reply(err=1, result={"error":"Not Done"})
+
+
+# start server
+async def serve() -> None:
+    server = grpc.aio.server()
+    igapi_pb2_grpc.add_IGAPIServicer_to_server(
+        IGAPI_Server(), server
+    )
+    server.add_insecure_port("[::]:50051")
+    await server.start()
+    print("[*] gRPC Server listening on 0.0.0.0:50051")
+    await server.wait_for_termination()
diff --git a/grpcServer/postProcessor.py b/grpcServer/postProcessor.py
new file mode 100644
index 0000000..fb214fa
--- /dev/null
+++ b/grpcServer/postProcessor.py
@@ -0,0 +1,64 @@
+from typing import Tuple
+import os
+
+from ig import contentPictuterProma, IG
+from db import dbhelper
+from utils import fileProcessor
+from utils.const import DEBUG
+from s3 import s3helper
+
+# return (errmsg | code, errcode)
+def upload(aid:int) -> Tuple[str, int]:
+    # 抓取文章本體
+    article, code = dbhelper.solo_article_fetcher(role="general", key=aid) # visible -> post
+    if code != 200:
+        return "Post not found", 1
+    
+    # 抓取檔案
+    files = []
+    for k in article["files_hash"]:
+        f, code = s3helper.solo_file_fetcher(fnhash=k)
+        if code:
+            return "File not found", 1
+        else:
+            files.append(f)
+
+    # 轉出暫存檔案
+    tmp_path:list = []
+    for t in files: 
+        filename, err = fileProcessor.file_saver(t.get("mime"), t.get("binary"))
+        if err: # 如果錯誤
+            return filename, 1
+        tmp_path.append(filename)
+        
+    # 合成文字圖
+    proma_file = contentPictuterProma.new_proma(article["content"])
+    tmp_path = [proma_file] + tmp_path
+
+    # 送交 IG 上傳
+    if not DEBUG:
+        media = IG.upload_media(article["content"], tmp_path)
+        if media is None:
+            return "Upload failed", 1
+    else:
+        media = {"code":"fake_data"}
+        
+    # 刪除檔案
+    for t in tmp_path:
+        os.remove(t)
+    
+    return media["code"], 0
+
+
+# return (errmsg, code)
+def remove(code:str) -> Tuple[str, int]:
+    # 抓取文章本體 - 叫你刪除的時候可能已經找不到本體了
+    # article, code = dbhelper.solo_article_fetcher(role="general", key=aid)
+    # if code != 200:
+    #     return "Post not found", 1
+    
+    err = IG.delete_media(code)
+    if err:
+        return "Remove failed", 1
+    
+    return "OK", 0
diff --git a/grpc/protobuf/igapi.proto b/grpcServer/protobuf/igapi.proto
similarity index 55%
rename from grpc/protobuf/igapi.proto
rename to grpcServer/protobuf/igapi.proto
index ff47db3..eeff066 100644
--- a/grpc/protobuf/igapi.proto
+++ b/grpcServer/protobuf/igapi.proto
@@ -1,23 +1,25 @@
 syntax = "proto3";
 
 service IGAPI {
-  rpc login () returns (Reply) {}
+  rpc login (Request) returns (Reply) {}
 
-  rpc account_info () returns (Reply) {}
+  rpc account_info (Request) returns (Reply) {}
 
   rpc upload (Request) returns (Reply) {}
 
   rpc delete (Request) returns (Reply) {}
 
   rpc setting (Request) returns (Reply) {}
+
+  rpc queue (Request) returns (Reply) {}
 }
 
 message Request {
-    int code = 1;
-    repeated string args = 2;
+  int64 code = 1;
+  repeated string args = 2;
 }
 
 message Reply {
-  int err = 1;
+  int64 err = 1;
   map<string, string> result = 2;
 }
\ No newline at end of file
diff --git a/grpcServer/protobuf/igapi_pb2.py b/grpcServer/protobuf/igapi_pb2.py
new file mode 100644
index 0000000..9c290bc
--- /dev/null
+++ b/grpcServer/protobuf/igapi_pb2.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: igapi.proto
+# Protobuf Python Version: 5.28.1
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import runtime_version as _runtime_version
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+_runtime_version.ValidateProtobufRuntimeVersion(
+    _runtime_version.Domain.PUBLIC,
+    5,
+    28,
+    1,
+    '',
+    'igapi.proto'
+)
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0bigapi.proto\"%\n\x07Request\x12\x0c\n\x04\x63ode\x18\x01 \x01(\x03\x12\x0c\n\x04\x61rgs\x18\x02 \x03(\t\"g\n\x05Reply\x12\x0b\n\x03\x65rr\x18\x01 \x01(\x03\x12\"\n\x06result\x18\x02 \x03(\x0b\x32\x12.Reply.ResultEntry\x1a-\n\x0bResultEntry\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\t:\x02\x38\x01\x32\xc0\x01\n\x05IGAPI\x12\x1b\n\x05login\x12\x08.Request\x1a\x06.Reply\"\x00\x12\"\n\x0c\x61\x63\x63ount_info\x12\x08.Request\x1a\x06.Reply\"\x00\x12\x1c\n\x06upload\x12\x08.Request\x1a\x06.Reply\"\x00\x12\x1c\n\x06\x64\x65lete\x12\x08.Request\x1a\x06.Reply\"\x00\x12\x1d\n\x07setting\x12\x08.Request\x1a\x06.Reply\"\x00\x12\x1b\n\x05queue\x12\x08.Request\x1a\x06.Reply\"\x00\x62\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'igapi_pb2', _globals)
+if not _descriptor._USE_C_DESCRIPTORS:
+  DESCRIPTOR._loaded_options = None
+  _globals['_REPLY_RESULTENTRY']._loaded_options = None
+  _globals['_REPLY_RESULTENTRY']._serialized_options = b'8\001'
+  _globals['_REQUEST']._serialized_start=15
+  _globals['_REQUEST']._serialized_end=52
+  _globals['_REPLY']._serialized_start=54
+  _globals['_REPLY']._serialized_end=157
+  _globals['_REPLY_RESULTENTRY']._serialized_start=112
+  _globals['_REPLY_RESULTENTRY']._serialized_end=157
+  _globals['_IGAPI']._serialized_start=160
+  _globals['_IGAPI']._serialized_end=352
+# @@protoc_insertion_point(module_scope)
diff --git a/grpcServer/protobuf/igapi_pb2_grpc.py b/grpcServer/protobuf/igapi_pb2_grpc.py
new file mode 100644
index 0000000..00ad5ee
--- /dev/null
+++ b/grpcServer/protobuf/igapi_pb2_grpc.py
@@ -0,0 +1,312 @@
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+import warnings
+
+from grpcServer.protobuf import igapi_pb2 as igapi__pb2
+
+GRPC_GENERATED_VERSION = '1.68.0'
+GRPC_VERSION = grpc.__version__
+_version_not_supported = False
+
+try:
+    from grpc._utilities import first_version_is_lower
+    _version_not_supported = first_version_is_lower(GRPC_VERSION, GRPC_GENERATED_VERSION)
+except ImportError:
+    _version_not_supported = True
+
+if _version_not_supported:
+    raise RuntimeError(
+        f'The grpc package installed is at version {GRPC_VERSION},'
+        + f' but the generated code in igapi_pb2_grpc.py depends on'
+        + f' grpcio>={GRPC_GENERATED_VERSION}.'
+        + f' Please upgrade your grpc module to grpcio>={GRPC_GENERATED_VERSION}'
+        + f' or downgrade your generated code using grpcio-tools<={GRPC_VERSION}.'
+    )
+
+
+class IGAPIStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.login = channel.unary_unary(
+                '/IGAPI/login',
+                request_serializer=igapi__pb2.Request.SerializeToString,
+                response_deserializer=igapi__pb2.Reply.FromString,
+                _registered_method=True)
+        self.account_info = channel.unary_unary(
+                '/IGAPI/account_info',
+                request_serializer=igapi__pb2.Request.SerializeToString,
+                response_deserializer=igapi__pb2.Reply.FromString,
+                _registered_method=True)
+        self.upload = channel.unary_unary(
+                '/IGAPI/upload',
+                request_serializer=igapi__pb2.Request.SerializeToString,
+                response_deserializer=igapi__pb2.Reply.FromString,
+                _registered_method=True)
+        self.delete = channel.unary_unary(
+                '/IGAPI/delete',
+                request_serializer=igapi__pb2.Request.SerializeToString,
+                response_deserializer=igapi__pb2.Reply.FromString,
+                _registered_method=True)
+        self.setting = channel.unary_unary(
+                '/IGAPI/setting',
+                request_serializer=igapi__pb2.Request.SerializeToString,
+                response_deserializer=igapi__pb2.Reply.FromString,
+                _registered_method=True)
+        self.queue = channel.unary_unary(
+                '/IGAPI/queue',
+                request_serializer=igapi__pb2.Request.SerializeToString,
+                response_deserializer=igapi__pb2.Reply.FromString,
+                _registered_method=True)
+
+
+class IGAPIServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def login(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def account_info(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def upload(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def delete(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def setting(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def queue(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_IGAPIServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'login': grpc.unary_unary_rpc_method_handler(
+                    servicer.login,
+                    request_deserializer=igapi__pb2.Request.FromString,
+                    response_serializer=igapi__pb2.Reply.SerializeToString,
+            ),
+            'account_info': grpc.unary_unary_rpc_method_handler(
+                    servicer.account_info,
+                    request_deserializer=igapi__pb2.Request.FromString,
+                    response_serializer=igapi__pb2.Reply.SerializeToString,
+            ),
+            'upload': grpc.unary_unary_rpc_method_handler(
+                    servicer.upload,
+                    request_deserializer=igapi__pb2.Request.FromString,
+                    response_serializer=igapi__pb2.Reply.SerializeToString,
+            ),
+            'delete': grpc.unary_unary_rpc_method_handler(
+                    servicer.delete,
+                    request_deserializer=igapi__pb2.Request.FromString,
+                    response_serializer=igapi__pb2.Reply.SerializeToString,
+            ),
+            'setting': grpc.unary_unary_rpc_method_handler(
+                    servicer.setting,
+                    request_deserializer=igapi__pb2.Request.FromString,
+                    response_serializer=igapi__pb2.Reply.SerializeToString,
+            ),
+            'queue': grpc.unary_unary_rpc_method_handler(
+                    servicer.queue,
+                    request_deserializer=igapi__pb2.Request.FromString,
+                    response_serializer=igapi__pb2.Reply.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'IGAPI', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+    server.add_registered_method_handlers('IGAPI', rpc_method_handlers)
+
+
+ # This class is part of an EXPERIMENTAL API.
+class IGAPI(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def login(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/IGAPI/login',
+            igapi__pb2.Request.SerializeToString,
+            igapi__pb2.Reply.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)
+
+    @staticmethod
+    def account_info(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/IGAPI/account_info',
+            igapi__pb2.Request.SerializeToString,
+            igapi__pb2.Reply.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)
+
+    @staticmethod
+    def upload(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/IGAPI/upload',
+            igapi__pb2.Request.SerializeToString,
+            igapi__pb2.Reply.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)
+
+    @staticmethod
+    def delete(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/IGAPI/delete',
+            igapi__pb2.Request.SerializeToString,
+            igapi__pb2.Reply.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)
+
+    @staticmethod
+    def setting(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/IGAPI/setting',
+            igapi__pb2.Request.SerializeToString,
+            igapi__pb2.Reply.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)
+
+    @staticmethod
+    def queue(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(
+            request,
+            target,
+            '/IGAPI/queue',
+            igapi__pb2.Request.SerializeToString,
+            igapi__pb2.Reply.FromString,
+            options,
+            channel_credentials,
+            insecure,
+            call_credentials,
+            compression,
+            wait_for_ready,
+            timeout,
+            metadata,
+            _registered_method=True)
diff --git a/ig/IG.py b/ig/IG.py
index bdc32af..fc5b9e1 100644
--- a/ig/IG.py
+++ b/ig/IG.py
@@ -3,14 +3,19 @@ from typing import List
 
 from instagrapi import Client
 
-from utils import shareclass
 from utils.tbProcessor import easyExceptionHandler
 from utils.const import DEVICE
 
+cl:Client = None
+
+# init
+def init(askcl:Client) -> None:
+    global cl
+    cl = askcl
+    
+    
 # login
 def login() -> int:
-    cl:Client = shareclass.Shared.ig_get_client()
-
     # Env
     ACCOUNT_USERNAME = os.getenv("ACCOUNT_USERNAME", None).strip()
     ACCOUNT_PASSWORD = os.getenv("ACCOUNT_PASSWORD", None).strip()
@@ -58,8 +63,7 @@ def login() -> int:
 
 # Get account info
 def account_info() -> dict | None:
-    cl:Client = shareclass.Shared.ig_get_client()
-
+    print("[*] IG: Fetching account info")
     try:
         info = cl.account_info().dict()
         return info
@@ -70,8 +74,6 @@ def account_info() -> dict | None:
 
 # Get media info
 def media_info(code:str) -> dict | None:
-    cl:Client = shareclass.Shared.ig_get_client()
-
     try:
         pk = cl.media_pk_from_code(code)
         info = cl.media_info(pk).dict()
@@ -82,16 +84,14 @@ def media_info(code:str) -> dict | None:
     
 
 # Upload media
-def upload_media(ctx:str, paths:List[str]) -> dict | None:
-    cl:Client = shareclass.Shared.ig_get_client()
-
+def upload_media(content:str, paths:List[str]) -> dict | None:
     try:
         # uplaod
         if len(paths) == 0:  return None
         elif len(paths) == 1:
-            media = cl.photo_upload(path=paths[0], caption=ctx).dict()
+            media = cl.photo_upload(path=paths[0], caption=content).dict()
         else:
-            media = cl.photo_upload(path=paths[0], caption=ctx).dict()
+            media = cl.photo_upload(path=paths[0], caption=content).dict()
             
         return media
     except Exception as e:
@@ -101,8 +101,6 @@ def upload_media(ctx:str, paths:List[str]) -> dict | None:
 
 # Delete Media
 def delete_media(code:str) -> int:
-    cl:Client = shareclass.Shared.ig_get_client()
-    
     try:
         media_pk = str(cl.media_pk_from_code(code))
         media_id = cl.media_id(media_pk)
diff --git a/ig/ctxPictuterProma.py b/ig/contentPictuterProma.py
similarity index 80%
rename from ig/ctxPictuterProma.py
rename to ig/contentPictuterProma.py
index 1b419ab..1fbb895 100644
--- a/ig/ctxPictuterProma.py
+++ b/ig/contentPictuterProma.py
@@ -6,21 +6,23 @@ from PIL import Image, ImageDraw, ImageFont
 
 from utils.const import PROMA_HEIGHT, PROMA_WIDTH, PROMA_FONT, PROMA_FONTSIZE, TMP_DIR
 
-def new_proma(ctx:str):
+def new_proma(content:str):
+    # 靠 版型在哪
     img = Image.new(mode="RGB", 
                     size=(PROMA_WIDTH, PROMA_HEIGHT), 
-                    color=(255, 255, 255)) # 靠 沒版型阿
+                    color=(255, 255, 255))
     
     font = ImageFont.truetype(PROMA_FONT, PROMA_FONTSIZE, encoding='utf-8')
     
     draw:ImageDraw.ImageDraw = ImageDraw.Draw(img)
     draw.text(xy=(0, 0),
-              text=ctx,
+              text=content,
               font=font,
               fill=(0, 0, 0))
     
+    # 存檔
     filename = TMP_DIR + hashlib.sha512( str(time.time()).encode() ).hexdigest() + ".jpg"
     img.save(filename)
     filename = os.path.abspath(filename)
     
-    return filename
\ No newline at end of file
+    return filename
diff --git a/requirements.txt b/requirements.txt
index 351c394..20d495d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,11 @@
 instagrapi
 sqlalchemy
+sqlalchemy_utils
 protobuf==5.28.3
 Pillow
 pillow-heif
 asyncio
-psycopg2
\ No newline at end of file
+psycopg2
+grpcio
+minio
+cachetools
\ No newline at end of file
diff --git a/s3/s3helper.py b/s3/s3helper.py
new file mode 100644
index 0000000..18c084c
--- /dev/null
+++ b/s3/s3helper.py
@@ -0,0 +1,38 @@
+from typing import Tuple
+import os
+import sys
+
+import minio
+
+S3_BUCKET:str = os.getenv("S3_BUCKET")
+
+s3 = minio.Minio(endpoint=os.getenv("S3_ENDPOINT").strip(),
+                 access_key=os.getenv("S3_ACCESS_KEY").strip(),
+                 secret_key=os.getenv("S3_SECRET_KEY").strip(),
+                 secure=False)
+
+# check exist
+print("[*] Connecting to Minio")
+if not s3.bucket_exists(S3_BUCKET):
+    print("[X] Where is S3 bucket \"%s\"?"%S3_BUCKET)
+    sys.exit(0)
+
+
+# methods
+def solo_file_fetcher(fnhash:str) -> Tuple[dict | None, int]:
+    fnd = None
+    err = 1
+    try:
+        # print(fnhash)
+        res = s3.get_object(S3_BUCKET, fnhash)
+        mime = res.getheader("Content-Type")
+        fnd = res.data
+            
+        err = 0
+        fnd = {"binary":fnd, "mime":mime}
+    except:
+        fnd, err = None, 1
+    
+    res.close()
+    res.release_conn()
+    return fnd, err
diff --git a/utils/ThreadSafeOrderedDict.py b/utils/ThreadSafeOrderedDict.py
new file mode 100644
index 0000000..e611572
--- /dev/null
+++ b/utils/ThreadSafeOrderedDict.py
@@ -0,0 +1,47 @@
+from collections import OrderedDict
+from threading import RLock
+
+class ThreadSafeOrderedDict:
+    def __init__(self):
+        self.lock = RLock()
+        self.data = OrderedDict()
+
+    def __setitem__(self, key, value):
+        with self.lock:
+            self.data[key] = value
+
+    def __getitem__(self, key):
+        with self.lock:
+            if key in self.data:
+                return self.data[key]
+            return None
+
+    def remove(self, key):
+        with self.lock:
+            if key in self.data:
+                del self.data[key]
+
+    def move_to_end(self, key, last=True):
+        with self.lock:
+            if key in self.data:
+                self.data.move_to_end(key, last=last)
+    
+    def pop(self, key):
+        with self.lock:
+            if key in self.data:
+                return self.data.pop(key)
+            return None
+    
+    def popitem(self, last:bool=True):
+        with self.lock:
+            if len(self.data):
+                return self.data.popitem(last)
+            return None
+    
+    def items(self):
+        with self.lock:
+            return self.data.items()
+
+    def __repr__(self):
+        with self.lock:
+            return repr(self.data)
diff --git a/utils/const.py b/utils/const.py
index f4b4cac..67834da 100644
--- a/utils/const.py
+++ b/utils/const.py
@@ -30,7 +30,22 @@ FILE_MINE_TYPE = {
 TMP_DIR = "./tmp/"
 
 # content picture
+# tmp solve
 PROMA_WIDTH = 600
 PROMA_HEIGHT = 600
+# i have no template
+PROMA_PATH = ""
+# done
+PROMA_FONTSIZE = 40
 PROMA_FONT = "./resource/OpenSans-Regular.ttf"
-PROMA_FONTSIZE = 40
\ No newline at end of file
+
+# gRRC IG cache time
+GRPC_ACCINFO_CACHE = 5*60
+GRPC_RELOGIN_LIMIT = 10*60
+
+# gRPC upload/delete interval (for anoth.py)
+ANOTH_INTERVAL_MIN = 2*60
+ANOTH_INTERVAL_MAX = 5*60
+# for testing
+# ANOTH_INTERVAL_MIN = 10
+# ANOTH_INTERVAL_MAX = 30
diff --git a/utils/fileProcessor.py b/utils/fileProcessor.py
index 24f27c7..dbb5257 100644
--- a/utils/fileProcessor.py
+++ b/utils/fileProcessor.py
@@ -104,4 +104,4 @@ def file_saver(ftype:str, binary:bytes) -> Tuple[str, int]:
     else: # 如果是 IG 本身支援的檔案 -> 存檔
         opt = os.path.abspath(os.path.join(TMP_DIR, filename+"."+ext))
         file_writer(opt, binary)
-        return opt, 0
\ No newline at end of file
+        return opt, 0
diff --git a/utils/shareclass.py b/utils/shareclass.py
deleted file mode 100644
index f5640d9..0000000
--- a/utils/shareclass.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from sqlalchemy.orm import sessionmaker
-
-class Shared:
-    _client = None # For instagram
-    _engine = None # For engine
-
-    @classmethod
-    def __init__(cls, cl, eng):
-        cls._client = cl
-        cls._engine = eng
-    
-    @classmethod
-    def ig_get_client(cls):
-        return cls._client
-    
-    @classmethod
-    def db_get_session(cls):
-        Session = sessionmaker(bind=cls._engine)
-        return Session()
\ No newline at end of file